dom/browser-element/mochitest/priority/test_Audio.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/browser-element/mochitest/priority/test_Audio.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,60 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<!--
     1.7 +Test that frames playing audio get BACKGROUND_PERCEIVABLE priority.
     1.8 +-->
     1.9 +<head>
    1.10 +  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    1.11 +  <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
    1.12 +  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    1.13 +</head>
    1.14 +<body>
    1.15 +
    1.16 +<script type="application/javascript;version=1.7">
    1.17 +"use strict";
    1.18 +
    1.19 +SimpleTest.waitForExplicitFinish();
    1.20 +browserElementTestHelpers.setEnabledPref(true);
    1.21 +browserElementTestHelpers.addPermission();
    1.22 +browserElementTestHelpers.enableProcessPriorityManager();
    1.23 +
    1.24 +function runTest() {
    1.25 +  var iframe = document.createElement('iframe');
    1.26 +  iframe.setAttribute('mozbrowser', true);
    1.27 +  iframe.src = 'file_Audio.html';
    1.28 +
    1.29 +  var childID = null;
    1.30 +  expectOnlyOneProcessCreated().then(function(chid) {
    1.31 +    childID = chid;
    1.32 +    return Promise.all(
    1.33 +      [expectPriorityChange(childID, 'FOREGROUND'),
    1.34 +       expectMozbrowserEvent(iframe, 'loadend'),
    1.35 +       expectMozbrowserEvent(iframe, 'showmodalprompt').then(function(e) {
    1.36 +         is(e.detail.message, 'onplay', 'showmodalprompt message');
    1.37 +       })]
    1.38 +    );
    1.39 +  }).then(function() {
    1.40 +    // Send the child process into the background.  Because it's playing audio,
    1.41 +    // it should get priority BACKGROUND_PERCEIVABLE, not vanilla BACKGROUND.
    1.42 +    var p = expectPriorityChange(childID, 'BACKGROUND_PERCEIVABLE');
    1.43 +    iframe.setVisible(false);
    1.44 +    return p;
    1.45 +  }).then(function() {
    1.46 +    var p = expectPriorityChange(childID, 'FOREGROUND');
    1.47 +    iframe.setVisible(true);
    1.48 +    return p;
    1.49 +  }).then(SimpleTest.finish);
    1.50 +
    1.51 +  document.body.appendChild(iframe);
    1.52 +}
    1.53 +
    1.54 +// This test relies on <audio> elements interacting with the audio channel
    1.55 +// service.  This is controled by the media.useAudioChannelService pref.
    1.56 +addEventListener('testready', function() {
    1.57 +  SpecialPowers.pushPrefEnv({set: [['media.useAudioChannelService', true]]},
    1.58 +                            runTest);
    1.59 +});
    1.60 +
    1.61 +</script>
    1.62 +</body>
    1.63 +</html>

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